<button class="btn drop_btn" onclick="cwf(1)">Design a Pod</button>
<button class="btn drop_btn" onclick="cwf(2)">Configure a Pod</button>
<button class="btn drop_btn" onclick="cwf(3)">Create a Snapshot</button>
+ <button class="btn drop_btn" onclick="cwf(4)">Configure OPNFV</button>
</div>
</li>
<li>